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Heart|Natural|GIA

1.00ct D SI2 Heart Natural Diamond

EX • D/SI2 • GIA 1545275861

Certificate GIA 1545275861

Diamond specifications and retailer prices

From HK$20,706 HKD
As of November 4, 2026
Save HK$21,537 HKD (51%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: HK$42,244 HKD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1ct natural heart diamond

This 1ct natural heart sits in the classic one-carat band, graded D colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1545275861. Listed at 12 retailers as of November 4, 2026, with prices from HK$20,706 to HK$42,244, a HK$21,537 spread on the same certified stone. NZ Jewellers lists it at HK$42,244. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.00
Carat
D
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceMedium
Crown angle40.98°
Pavilion angle39.99°
OriginNatural
Grading LabGIA
CertificateGIA 1545275861
Dimensions6.16 × 6.86 × 4.05 mm
L/W Ratio1.11
Girdle conditionVery Thick
Key to symbols
Feather, Pinpoint, Natural
Top View
6.16 mm6.86 mm1.00 ctD / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceMedium
CertificateGIA 1545275861
Side View
Table 57.0%Crown 40.98°GirdlePavilion 39.99°Culet: NoneDepth 59.0%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: HK$42,244 HKD|Low: HK$20,510 HKD|High: HK$48,764 HKD|Avg: HK$27,352 HKD|-13.4%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 6, 2026
Retailer 4HK$20,706 HKD
Retailer 10HK$21,710 HKD
Retailer 3HK$22,180 HKD
Retailer 12HK$22,376 HKD
Retailer 2HK$23,841 HKD
Retailer 9HK$24,249 HKD
Retailer 11HK$24,249 HKD
Retailer 5HK$25,088 HKD
Retailer 7HK$25,182 HKD
Retailer 8HK$27,980 HKD
Retailer 6HK$40,441 HKD
NZ JewellersHK$42,244 HKD

35 data points across 12 retailers

12 retailersHK$20,706 HKD to HK$42,244 HKD

B+
Cheapest Retailer
-
HK$20,706 HKD
B+
Retailer 2
-
HK$21,710 HKD
View
Retailer 3
-
HK$22,180 HKD
View
Price last confirmed 8 days ago
B
Retailer 4
-
HK$22,376 HKD
View
Final sale: no returns
B+
Retailer 5
-
HK$23,841 HKD
View
B+
Retailer 6
-
HK$24,249 HKD
View
Retailer 7
-
HK$24,249 HKD
View
Price last confirmed 21 days ago
B
Retailer 8
-
HK$25,088 HKD
View
B
Retailer 9
-
HK$25,182 HKD
View
B
Retailer 10
-
HK$27,980 HKD
View
B
Retailer 11
-
HK$40,441 HKD
View
Most Expensive
B
NZ Jewellers
6d1470ad-0d25-47ea-96ba-712cf2e2b54d · Nov 5
HK$42,244 HKD
$5,390 USD
View
11 more retailers have this diamond
Prices start from HK$20,706 HKDSave up to HK$21,537 HKD

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

B+
1.00ct Heart
HK$20,706 HKD